Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
duong manh » duong van
hien hanh » dieu hanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong manh » cong danh, cong thanh, hoang manh
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (chieu xanh)) - thanh trung cap thong ((cong manh) OR (duong manh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (chieu xanh)) - thanh trung cap thong ((cong manh) OR (duong manh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien hanh) or (chieu xanh)) - thanh trung cap thong ((cong manh) OR (duong manh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (chieu xanh)) - thanh trung cap thong ((cong manh) OR (duong manh)) toan cau*.